Apparatus for measuring the flow rate of electrically conductive

Details Apparatus for measuring the flow rate of electrically conductive Apparatus for measuring the flow rate of electrically conductive

1989-06-09

1990-09-25

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

73198, 324445, 376246, G01F 158, G21C 17032

Patent

active

049585231

ABSTRACT:
An apparatus for measuring the flow rate of electrically conductive liquids includes two coils disposed in succession as seen in the flow direction of a liquid. The coils are switched in alternation as a primary and a secondary coil. One of the coils is excited with an alternating current as the primary coil, and voltage induced by the excitation in the other of the coils as the secondary coil is measured.

REFERENCES:
patent: 2435043 (1948-01-01), Lehde et al.
patent: 3922192 (1975-11-01), Duncombe et al.
patent: 3940996 (1976-03-01), Lauhoff et al.
patent: 3987362 (1976-10-01), McCann et al.
patent: 4144741 (1979-03-01), Nakamoto et al.
patent: 4622202 (1986-11-01), Yamada et al.

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